Fisker makes luxury electric cars. They have filed a patents on breakthrough solid state batteries. Fisker’s solid-state batteries will feature three-dimensional electrodes with 2.5 times the energy density of lithium-ion batteries. Fisker claims that this technology will enable ranges of more than 500 miles on a single charge and charging times as low as one minute—faster than filling up a gas tank. Fisker anticipates the technology to be automotive production grade ready from 2023 onwards…

May 2013 : Cold fusion reactor independently verified, has times the energy density of gas. Against all probability, a device that purports to use cold fusion to generate vast amounts of power has been verified by a panel of independent scientists.

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Iron–air batteries promise a considerably higher energy density than present-day lithium-ion batteries. In addition, their main constituent – iron – is an abundant and therefore cheap material. Scientists from Forschungszentrum Jülich are among the driving forces in the renewed research into thi...

Flexible supercapacitor raises bar for volumetric energy density; Could be woven into clothes to power devices